期刊
APPLIED OPTICS
卷 61, 期 3, 页码 676-682出版社
Optica Publishing Group
DOI: 10.1364/AO.446927
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资金
- H2020 Marie Sklodowska-Curie Actions [764461]
- European Cooperation in Science and Technology [CA19111]
- Ceske Vysoke U.ceni Technicke v Praze [SGS20/166/OHK3/3T/13]
With the increasing use of organic light emitting diodes in various devices, visible light-based device-to-device communication is gaining importance. Researchers propose using smart phones' display pixels and built-in cameras for such communication and investigate the impact of receiver orientation and user mobility on link performance.
With the increasing use of organic light emitting diodes in lights, smart phones, wearable smartwatches, and computers, visible light-based device-to-device (D2D) communications has become more and more relevant. We propose D2D communications using smart phones' display pixels and their built-in cameras. We investigate the impact of receiver orientation and user mobility on the link performance. We derive a Gaussian model for the probability density function of the delay spread and optical path loss (OPL), and show that the channel delay spread decreases for a typical furnished room compared with an empty room, whereas the former has an increased OPL. In addition, we show that for the case of a furnished room and considering user mobility, the peak OPL values are about 64 and 62 dB, with and without considering the receiver's random orientation, respectively. (C) 2022 Optics Publishing Group
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